The Brooklyn by way of Seattle rhymesayer Aaron Cohen unleashes "Up & Down", the first leak off his forthcoming mixtape, Crack. Production on "Up & Down" is supplied by North Cackalacka's Infinite Jeanius (Waka Flocka, Huey, Blood Raw). Stay tuned for more leaks and videos off Crack and be on the lookout for new music from AC that include guest features and production credits from the likes of Shady Blaze (of Green Ova), ASAP Ty Beats, KeyboardKid206, Yuri Beats, $1 Bin and more.